Which Method of Adjusting for Nonresponse Has the Researcher Contacting

Question 63
Multiple Choice

Which method of adjusting for nonresponse has the researcher contacting a sub-sample of the nonrespondents; projecting the values obtained from the sub-sample to all respondents; then adjusting the survey results to account for nonresponse? A)substitution B)sub-sampling of nonrespondents C)subjective estimates D)replacement